code: def __init__(self, opt, shared=None):
      self.datatype = opt["datatype"]
      if "valid" not in self.datatype:
          raise RuntimeError(
              f"Datatype: {self.datatype} not supported. "
              "This teacher only supports valid."
          )
  
      if not shared:
          self.datafile = build(opt)
      else:
          self.datafile = shared["datafile"]
  
      opt["datafile"] = self.datafile
      super().__init__(opt, shared)
      self.id = "Sensitive Topics Evaluation Topics Valid Teacher"
  
file_path: ParlAI/parlai/tasks/sensitive_topics_evaluation/agents.py
imports: from parlai.core.teachers import DialogTeacher
  from parlai.tasks.sensitive_topics_evaluation.build import build
  import json
label_desc: Use image node_id 1 to create a new SensitiveTopicsEvaluationTeacher object from inherited base classes: DialogTeacher with example: obj = SensitiveTopicsEvaluationTeacher(opt, shared)